Re: ndctl-v77: LIBCXL_5 not found

["Verma, Vishal L" <vishal.l.verma@intel.com>]

On Wed, 2023-05-10 at 00:30 +0900, Minwoo Im wrote:
> Hello ndctl,
> 
> With the recent tag (v77), after building it with the following
> commands, `cxl` command is not albe to find `LIBCXL_5` version from the
> /lib/libcxl.so.1 installed.
> 
>         meson build
>         ninja -C build
>         meson install -C build
> 
>         root@vm:~/work/ndctl.git# cxl
>         cxl: /lib/libcxl.so.1: version `LIBCXL_5' not found (required by cxl)
>         root@vm:~/work/ndctl.git# ls -l /lib/libcxl.so.1
>         lrwxrwxrwx 1 root root 15 May  9 15:28 /lib/libcxl.so.1 -> libcxl.so.1.1.3
> 
> I'm not pretty certain how to go through with this, but I'm using v77
> with the following patch which might not be a good one to solve it.
> 
> 
> ---
> diff --git a/meson.build b/meson.build
> index 50e83cf770a2..665b8e958178 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -307,7 +307,7 @@ LIBDAXCTL_AGE=5
> 
>  LIBCXL_CURRENT=5
>  LIBCXL_REVISION=0
> -LIBCXL_AGE=4
> +LIBCXL_AGE=5
> 
>  root_inc = include_directories(['.', 'ndctl', ])

No, this patch would violate libtool versioning rules[1].

LIBCXL_5 should be available if the library has been rebuilt, it seems
like your cxl tool is picking up an older version of the library, maybe
installed via the package manager or something?

Can you try a full clean rebuild?

[1]: https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
> 
> 
> 
> It would be great if any folks here can provide advices on this.
> 
> Thanks,